Doubts about CPU temperature

[Guest]

Hello guys. I have bought a new GPU EVGA GeForce GTX 970 FTW ACX 2.0http://www.evga.com/Products/Product.aspx?pn=04G-P4-2978-KR.
By upgrading my gpu to this,my cpu temperature increased by more than 10 degree celsius but I'm not sure whether it is within the safe range.
When I play Witcher 3 and GTA 5 at high-ultra settings,my CPU temperature ranged from 75-82 degree celsius. My gpu temperature is perfectly fine as it is always below 73 degree celsius.

So may i know whether this temperature range is safe for cpu. If not,could you provide some solutions for me to cool down the cpu.

CPU: Intel i7-4790,using intel stock fan.

 

[TyRaNiDeX]

Hi Woooo 😉
I think 82 degrees is beyond the safe range, maybe you should buy a Ventirad.
I have the Noctua NH-U9B SE2, and my i5 2500k at 4.5Ghz don't cross the 70 degrees line 😉

Sorry for my english, but I'm french

 

[utgotye]

Well you are using the stock cooler, which, for Intel CPUs, is like an asthmatic person coughing through a straw.

 

[Andreamorim112]

The cpu temps are decent, but i would consider a aftermarket cooler just to keep it cooler and maybe improve airflow on the case by adding a extra fan...

 

[Kiril1512]

Hello!
Yes your CPU is safe until it research 92ºC so 80ºC is fine.
My I7 4790K also take that CPU temps with Hyper 212 EVO when playing gta V.

 

[CompuTronix]

Hello!
Yes your CPU is safe until it research 92ºC so 80ºC is fine.

For the benefit of our members and readers, this is misinformation, and is clearly wrong.

Kiril1512,

Respectfully, where did you get 92C?

CT

 

[Kiril1512]

Hello!
Yes your CPU is safe until it research 92ºC so 80ºC is fine.

For the benefit of our members and readers, this is misinformation, and is clearly wrong.

Kiril1512,

Respectfully, where did you get 92C?

CT

I tested myself some cpu's... (I7 4790K - I7 4770K - I5 4670K - I5 4210 and I7 3770.
Some on stock colers and some one brand colers...

In the tests when CPU goes to 90ºC all worked fine.
The I7 3770 stoped at 92ºC.
So I think 92ºC are safe. I7 4790K have better thermal compound so I belive I can take higher temps...

Correct me if I'm wrong. Don't want to pass fake information to forum readers.

 

[Andreamorim112]

The max temps depend from cpu to cpu.

 

[CompuTronix]

Guys,

Please read this Tom's Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

Also, here's the link to Intel's website for Product Information, which includes their Thermal Specifications: http://ark.intel.com/

CT

 

[Kiril1512]

Guys,

Please read this Tom's Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

Also, here's the link to Intel's website for Product Information, which includes their Thermal Specifications: http://ark.intel.com/

CT

So max temp in generaly for CPU is 100ºC. So the I7 3770 I tested have some problems if it turn down with 92ºC.
I have my I7 4790K with 80ºC-82ºC max when it is at 100% load (video rendering). I belive its ok for my cpu when it research 100%.

Will carefully read your Intel Temerature Guide.

 

[CompuTronix]

4th Generation 22 Nanometer: 4790K (TDP 88W / Idle 2W)

Standard Ambient = 22C
Tcase (CPU temp) = 74C
CPU / Core offset + 5C
Tjunction (Core temp) = 79C
Tj Max (Throttle temp) = 100C


Core temperatures in the mid 70's are safe.

Sustained Core temperatures above 80C are not safe.


This is why the CPU tests in OCCT will abort at 85C.

 

[Kiril1512]

4th Generation 22 Nanometer: 4790K (TDP 88W / Idle 2W)

Standard Ambient = 22C
Tcase (CPU temp) = 74C
CPU / Core offset + 5C
Tjunction (Core temp) = 79C
Tj Max (Throttle temp) = 100C


Core temperatures in the mid 70's are safe.

Sustained Core temperatures above 80C are not safe.


This is why the CPU tests in OCCT will abort at 85C.

hum, 80ºC not safe. I have 80ºC+ when rendering...

I use very popular Cooler for my CPU - Cooler Master Hyper 212 EVO.
Should I change to a liquid CPU cooler or Its ok?

 

[CompuTronix]

The very popular and inexpensive Cooler Master Hyper 212 EVO is a mid-range air cooler. If you want to improve upon your cooling solution, that's up to you.

My primary concern is to ensure that we provide our readers with complete and accurate information regarding Intel's Thermal Specifications.

This is generally a very poorly understood topic. Intel's spec's are not well written, and are therefore frequently misinterpreted and are surrounded by a great quantity of misinformation.

For example; very few people know that Intel's Thermal Specification, which is "Tcase", is CPU temperature, NOT Core temperature. Also, very few people know that Core temperature is 5C higher than CPU temperature.

This is why Tom's has the Intel Temperature Guide, so that people can learn to understand and correctly interpret their processor temperatures. There are two identical Guides posted as "Stickies"; one is near the top of the CPU's Forum, and the other is near the top of the Overclocking Forum.

CT

 

[CompuTronix]

wooo12,

It sounds like your case doesn't have adequate ventilation. What is your ambient temperature?

Unlike nVidia's reference cooling design which is linear - http://www.newegg.com/Product/Product.aspx?Item=N82E16814487070 - and exhausts 100% of it's heat out of the computer case, your GTX 970 ACX 2.0 is axial cooling, which exhausts and recirculates it's heat within your case.

The advantage of axial cooled graphics cards is that, depending upon case airflow, they tend to run cooler than linear cooled graphics cards, so they can be overclocked a little higher.

The disadvantage of axial cooled graphics cards is that they can cause CPU temperatures to increase in computer cases with less than adequate airflow, whereas linear cooled graphics cards do not.

Also, keep in mind that a hot case stresses drives, memory, chipsets, voltage regulators and power supply. The solution is to improve case cooling or CPU cooling, or both.

Since you're running a non-K processor, the most practical solution is to replace Intel's barely adequate stock cooler with the often recommended Cooler Master Hyper 212 EVO, which is an inexpensive but effective mid-range cooler.

Once you get your CPU temperatures handled, you might want to work on improving case airflow, which may involve adding fans and improving cable management. Neatness counts! 😀

CT

 

[Guest]

Hi Woooo 😉
I think 82 degrees is beyond the safe range, maybe you should buy a Ventirad.
I have the Noctua NH-U9B SE2, and my i5 2500k at 4.5Ghz don't cross the 70 degrees line 😉

Sorry for my english, but I'm french

Hello!
Yes your CPU is safe until it research 92ºC so 80ºC is fine.

For the benefit of our members and readers, this is misinformation, and is clearly wrong.

Kiril1512,

Respectfully, where did you get 92C?

CT

wooo12,

It sounds like your case doesn't have adequate ventilation. What is your ambient temperature?

Unlike nVidia's reference cooling design which is linear - http://www.newegg.com/Product/Product.aspx?Item=N82E16814487070 - and exhausts 100% of it's heat out of the computer case, your GTX 970 ACX 2.0 is axial cooling, which exhausts and recirculates it's heat within your case.

The advantage of axial cooled graphics cards is that, depending upon case airflow, they tend to run cooler than linear cooled graphics cards, so they can be overclocked a little higher.

The disadvantage of axial cooled graphics cards is that they can cause CPU temperatures to increase in computer cases with less than adequate airflow, whereas linear cooled graphics cards do not.

Also, keep in mind that a hot case stresses drives, memory, chipsets, voltage regulators and power supply. The solution is to improve case cooling or CPU cooling, or both.

Since you're running a non-K processor, the most practical solution is to replace Intel's barely adequate stock cooler with the often recommended Cooler Master Hyper 212 EVO, which is an inexpensive but effective mid-range cooler.

Once you get your CPU temperatures handled, you might want to work on improving case airflow, which may involve adding fans and improving cable management. Neatness counts! 😀

CT

From what I read from tomshardware. The mid 70s is fine while sustained 80 degree isn't good for the pc parts. I might try upgrading the cpu fan

 

[CompuTronix]

wooo12,

What is your ambient temperature?

Standard Ambient temperature is 22C, which is normal room temperature, and is a reference value for Intel’s Thermal Specifications. Knowing your Ambient temperature is important because Ambient directly affects all computer temperatures.

Here's the temperature conversions and a short scale:

Cx9/5+32=F ... or ... F-32/9x5=C ... or more simply ... an increase of 1C = an increase of 1.8F

30.0C = 86.0F Hot
29.0C = 84.2F
28.0C = 82.4F
27.0C = 80.6F
26.0C = 78.8F Warm
25.0C = 77.0F
24.0C = 75.2F
23.0C = 73.4F
22.0C = 71.6F Standard ... or ... 22.2C = 72.0F
21.0C = 69.8F
20.0C = 68.0F
19.0C = 66.2F
18.0C = 64.4F Cool

At 22C Standard Ambient, here's the typical operating range for Core temperature:

80C Hot (100% Load)
75C Warm
70C Warm (Heavy Load)
60C Norm
50C Norm (Medium Load)
40C Norm
30C Cool (Idle)

CT

 

[Guest]

My ambient Temperature is above 26.0